Cisco Broadband Cable, Справочное руководство, Страница: 670 / 1278

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Cisco Broadband Cable Command Reference Guide
OL-1581-08
Chapter 3 Cisco CMTS Show Commands
show controllers cable
Tip In Cisco IOS Release 12.1(12)EC, Release 12.2(8)BC1, and later releases, you can add a timestamp to
show commands using the exec prompt timestamp command in line configuration mode.
Related Commands
Invalid BW Requests Number of invalid bandwidth (BW) requests. (An example of an
invalid bandwidth request is a modem using a nonexistent service
identifier (SID) to request bandwidth.
Minislots Requested Total number of minislots requested.
Minislots Granted Total number of minislots granted.
Minislot Size in Bytes Size of the minislot in bytes.
UCD Count Number of Upstream Channel Descriptors (UCDs) sent for this
upstream.
DES Ctrl Reg # = Interval data encryption standard (DES) controller register dump.
Null Modem RateLimit Dropped
Pkts (Cisco uBR-MC16U/X, Cisco uBR-MC28U/X only) Number of
packets that were dropped because they had a Service Flow ID
(SFID) of 0, which typically happens because the packets were
dropped due to rate-limiting on their original service flow.
Additional Information for Broadband Processing Engine (BPE) Cable Interface Line Cards
JIB Version Revision of the JIB circuitry, which is the custom processor
onboard the BPE cards that handles the MAC-layer processing.
Upconverter is Enabled
Output is Enabled Status of the upconverter and whether it is currently outputting a
signal. If this field shows that the output is disabled, use the
no cable downstream rf-shutdown command to reenable it.
Downstream Frequency Configured frequency, in MHz, for the integrated upconverter (if
present).
RF Power Current RF power, in dBmV, as measured by the upconverter on the
cable interface line card. The upconverter’s circuitry is accurate to
a few tenths of a dBmV, but might vary +/- 1 dBmV depending on
the transient noise that is occuring when the power is measured.
Table 3-45 show controllers cable upstream Command Field Descriptions (continued)
Field Description
Command Description
cable downstream
frequency Configures the downstream center frequency on the integrated upconverter.
cable downstream rf-
power Configures the desired RF output power on the integrated upconverter.
cable spectrum-group
(global configuration) Creates spectrum groups, which contain one or more upstream frequencies.
cable upstream
frequency Specifies that the upstream should be set to either a specific center frequency
or be set dynamically.